/*
* Learning Vulkan - ISBN: 9781786469809
*
* Author: Parminder Singh, parminder.vulkan@gmail.com
* Linkedin: https://www.linkedin.com/in/parmindersingh18
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/

#include "VulkanDescriptor.h"
#include "VulkanApplication.h"
#include "VulkanDevice.h"

VulkanDescriptor::VulkanDescriptor()
{
	deviceObj = VulkanApplication::GetInstance()->deviceObj;
}

VulkanDescriptor::~VulkanDescriptor()
{
}

void VulkanDescriptor::createDescriptor(bool useTexture)
{
	// Create the uniform buffer resource 
	createDescriptorResources();
	
	// Create the descriptor pool and 
	// use it for descriptor set allocation
	createDescriptorPool(useTexture);

	// Create descriptor set with uniform buffer data in it
	createDescriptorSet(useTexture);
}

void VulkanDescriptor::destroyDescriptor()
{
	destroyDescriptorLayout();
	destroyPipelineLayouts();
	destroyDescriptorSet();
	destroyDescriptorPool();
}

void VulkanDescriptor::destroyDescriptorLayout()
{
	for (int i = 0; i < descLayout.size(); i++) {
		vkDestroyDescriptorSetLayout(deviceObj->device, descLayout[i], NULL);
	}
	descLayout.clear();
}

void VulkanDescriptor::destroyPipelineLayouts()
{
	vkDestroyPipelineLayout(deviceObj->device, pipelineLayout, NULL);
}

void VulkanDescriptor::destroyDescriptorPool()
{
	vkDestroyDescriptorPool(deviceObj->device, descriptorPool, NULL);
}

void VulkanDescriptor::destroyDescriptorSet()
{
	vkFreeDescriptorSets(deviceObj->device, descriptorPool, (uint32_t)descriptorSet.size(), &descriptorSet[0]);
}
